Chess Puzzle #7Jimg — Expert, Black to move, middlegame

Position

White: king h1; queen f3; rooks c1/c3; bishop a6; pawns a2/b6/f2/g3. Black: king g8; queen h5; rooks d4/d8; knight g4; pawns e6/f7/g7/h7. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Kg1 — king h1→g1. Now Black to move.
2. Best move: Rd1+ — rook d4→d1, gives check. Opponent replies Rxd1 (rook c1→d1, captures rook).
3. Best move: Rxd1+ — rook d8→d1, captures rook, gives check. Opponent replies Qxd1 (queen f3→d1, captures rook).
4. Best move: Qh2+ — queen h5→h2, gives check. Opponent replies Kf1 (king g1→f1).
5. Best move: Qxf2# — queen h2→f2, captures pawn, delivers checkmate.

Tactical themes

mate, mate in 4, middlegame, sacrifice, very long. The combination ends with Qxf2# delivering checkmate.

Position data

FEN: 3r2k1/5ppp/BP2p3/7q/3r2n1/2R2QP1/P4P2/2R4K w - - 1 28

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